NAICS 423730: Warm Air Heating and Air
This industry comprises establishments primarily engaged in the merchant wholesale distribution of warm air heating and air-conditioning equipment and supplies.

Illustrative Examples:

Air pollution control equipment and supplies merchant wholesalers
Nonportable electric baseboard heaters merchant wholesalers
Air-conditioning equipment (except room units) merchant wholesalers
Warm air central heating equipment merchant wholesalers
Automotive air-conditioners merchant wholesalers
Ductless heating and air-conditioning system equipment merchant wholesalers 

ExioML sector: Wholesale trade and commission trade services, except of motor vehicles and motorcycles (51)
Region: US | Year: 2022
Sector value added: 810352.883944 M EUR | Employment: 3730.44587599 thousand persons
Sector GHG emissions: 6107301971.21 kg CO2 eq | Energy carrier net total: 113230.446126 TJ | Carbon intensity: 0.007536595589671585

Company: Nooter/Eriksen Inc
Nooter/Eriksen, Inc. engages in the design, engineering, fabrication, and supply circulation heat recovery steam generators. The Company offers heat recovery systems, once through steam generators, oil recovery steam generators, waste heat boilers, and dry scrubbers.